Horseshoe



(N0 Model.)

T. 0. EVANS.

' HORSESHOE.

Nolz msg. Patented Feb.12,1884.

- INVENTOR.

WITNESSES ATTORNEYS.

s Phawunw nmr, Waihingtom D. C.

NITED STATES Erich.

A'IENT HORSESHOE.

SPEOIFICATIONforming part of Letters Patent No. 293,439, dated February12, 1884. Application filed December Q6, 1883;. (No model.)

which will enable others skilled in the art to which it appertains tomake and use the same,

reference being had to the accompanying drawingswhich form a part ofthis specificatiomand in which- Figure 1 is a perspectix e view of myimproved horseshoe from the under side. I Fig. 2 is a cross-sectionthrough one end of the same and through the movable calks; and Fig. 3 isa perspective view of one of the movable heel-calks detached from theshoe.

Similar letters of reference indicate corresponding, parts in all thefigures.

My invention has relation to expansible horseshoes, or shoes of thatclass in whichthe heel parts are jointed to the toe-piece, so that the,heel part of the shoe may be widened or contracted to fit various-sizedhoofs; and it consists in the combination, with the jointed heel-pieces,of movable beveled heel-calks, by the adjustment of which the heel ofthe shoe will be made to automatically expand 'orcontract, according towhether the natural tendency of the hoof is to contract or expand.

In the accompanying drawings, A denotes the toe-piece, andBBthemovableheel-pieces, which are jointed to the toe-piece at C C. D are theheel-calks,which are made straight on one side, but beveled on theopposite side, so as to form a Wedge-shaped point, E. Each calk isprovided with a cylindrical stem or shank, F, having a head, G, whichworks in a countersunk recess, H, in the heel-piece, so

that the head G willbe flush with the top of the same. This head, itwill be seen, prevents the calk from becoming detached from the shoe, sothat the calk may be turned in such a manner as to present its beveledor into the outside. The stem or shank F should be made to fitsufficiently tight in the bore through which it is inserted to preventthe calk from becoming accidentally turned, so that it will remain fixedin the position to which it may be adjusted until this position ispurposely changed.

From the foregoing description, taken in connection with the drawings,it will be seen that when the calks are turned into the position shownin Fig. 1that is, with their bevside-the tendency of these bevels willbe to contract the heel by forcing the' jointed heelpieces of the shoetoward each other, and the calks should therefore be adjusted to thispoa tendency to spread or expand. hen, on the other hand, the shoe isused upon a contracted hoof, or a hoof the tendency of which is tocontract, the calks areturned byawrench or other suitable means, so asto have the bevels d d facing each other, when these bevels will operateto force the jointed heel-piecesB B apart from one another, therebycounteracting the natural tendency of the hoof to contract.

Having thus described my invention, I claim and desire to secure byLetters Patent of the United States- As an improvement in jointedhorseshoes, the combination, with the jointed heel-pieces, of movableheel-calks straight on one side, but beveled on the other side andadapted to be turned in their fastenings, so as to have the beveled orinclined side face either the outside for the purpose shown and setforth.

In testimony that I claim the foregoing as my presence of two witnesses.

THEODORE o. EVANS,

clined side d either to the inside of the shoe or eled or slanting facesor sides (I facing the outer of the shoe or the inside, substantially asand sition when the shoe is used upon hoofs with own I have hereuntoaffixed my signature in

